Suea Dam" were one of four of Thailand's most renowned and feared Gangsters. They gained a legendary reputation for being invincible and fighing against large groups of soldiers and police many times, escaping successfully. 60 years ago, But nowadays live peaceful . "Suea Dam" is now the abbot of a Buddhist Temple.
The fact that LP Suea Dam (real monks name - LP Tawee Sakd ) was a killer and hunted by the law does not prevent him from becoming a monk. This is something which makes me think of Angulimala, who was a killer of thousands of people before he met the Lord Buddha and converted to Buddhism, was ordained,and eventually became an enlightened Arahant.